3131883894 has 16 divisors (see below), whose sum is σ = 6281823168. Its totient is φ = 1040952072.

The previous prime is 3131883889. The next prime is 3131883959. The reversal of 3131883894 is 4983881313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750052 + ... + 754215.

It is an arithmetic number, because the mean of its divisors is an integer number (392613948).

Almost surely, 2^3131883894 is an apocalyptic number.

3131883894 is an abundant number, since it is smaller than the sum of its proper divisors (3149939274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131883894 is a wasteful number, since it uses less digits than its factorization.

3131883894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504619.

The product of its digits is 497664, while the sum is 48.

The square root of 3131883894 is about 55963.2369864360. The cubic root of 3131883894 is about 1463.0816086337.

The spelling of 3131883894 in words is "three billion, one hundred thirty-one million, eight hundred eighty-three thousand, eight hundred ninety-four".